Home / 81,551.86-121,826.49-58,868.74

Finding the Fourth Proportional to 81,551.86, 121,826.49 and 58,868.74

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Solution

The fourth proportional to 81,551.86, 121,826.49 and 58,868.74 is: 87,941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,551.86 : 121,826.49 = 58,868.74 : x
  2. Step 2: Convert to fraction form
    81,551.86/121,826.49 = 58,868.74/x
  3. Step 3: Cross multiply
    81,551.86x = 121,826.49 × 58,868.74
  4. Step 4: Simplify right side
    81,551.86x = 7,171,772,567.35
  5. Step 5: Solve for x
    x = 7,171,772,567.35/81,551.86
  6. Step 6: Final answer
    x = 87,941.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.